East StratCom disinformation claim:
The West has promised Russia that NATO will not expand.
Documentation for claim
published by Новости на Первом Канале
Period/date: 13. February 2017
No such promise was ever made, and Russia has never produced any evidence to back up its claim: http://nato.int/cps/en/natohq/topics_111767.htm#cl303
Documentation for the debunk
This information is reported by Pavel Spirin, former journalist in Disinformation Review issue 59. The item is located at row number 19 in the report.